import pymysql


class DB:
    def __init__(self):
        self.conn = pymysql.connect(host='localhost', port=3306, user='root', password='123', charset='utf8',
                                    db='flask', cursorclass=pymysql.cursors.DictCursor)
        self.cursor = self.conn.cursor()

    def insert(self, sql):
        self.cursor.execute(sql)
        self.conn.commit()

    def find(self, sql):
        self.cursor.execute(sql)
        return self.cursor.fetchone()

    def findall(self, sql):
        self.cursor.execute(sql)
        return self.cursor.fetchall()


db1 = DB()
